/**
 * Copyright (c) 2024 Hunan OpenValley Digital Industry Development Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef OHOS_GPUIMAGEMONOCHROMEFILTER_H
#define OHOS_GPUIMAGEMONOCHROMEFILTER_H
#include "GPUImageFilter.h"

class GPUImageMonochromeFilter : public GPUImageFilter {
public:
    static const std::string MONOCHROME_FRAGMENT_SHADER;
    GPUImageMonochromeFilter();
    GPUImageMonochromeFilter(const float intensityVal, float *colorArray);
    ~GPUImageMonochromeFilter();
    void onInit();
    void onInitialized();
    void setIntensity(const float intensityVal);
    void setColor(float *colorArray);
    void setColor(float red, float green, float blue);

private:
    int intensityLocation;
    float intensity;
    int filterColorLocation;
    float *color = nullptr;
};
#endif // OHOS_GPUIMAGEMONOCHROMEFILTER_H
